Lenze E82EV752-4C240 Inverter Vector 8200 7.5kW Frequency Inverter
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Product Information
The Lenze E82EV752-4C240 is a 7.5 kW frequency inverter from the 8200 Vector series, engineered for precise AC motor speed and torque control in demanding industrial automation applications. Operating on a 3-phase AC input between 320 V and 528 V AC, the drive delivers a rated output current of 16.5 A with a maximum output voltage of 480 V AC and a frequency range from 0 to 480 Hz. Designed with an IP20 protection rating for control cabinet installation, this power unit features a 150% peak overload capacity (24.8 A for 60 seconds) to manage heavy start-up loads and dynamic duty cycles. The specific -4C240 variant includes a built-in CAN-based system bus interface directly on the main board, providing fast inter-drive synchronization without additional network hardware.
Putting a replacement drive into service requires matching physical card modules and transferring system parameters to suit the motor and application settings. The E82EV752-4C240 utilizes a modular card slot architecture that accepts plug-in option modules, including the standard I/O module E82ZAFSC, fieldbus interfaces such as PROFIBUS-DP (E82ZAFPC) or CANopen (E82ZAFCC), and the XT Operating Module keypad (E82ZBC). Commissioning or replacing a unit involves configuring or restoring parameter files across four independent internal parameter sets using Lenze Global Drive Control (GDC) PC software or the keypad display. When recovering from a drive failure, parameter extraction from the existing unit or backup software files ensures seamless transfer to the replacement unit, with ABC Industrial Parts offering technical support to prepare configured replacement hardware before installation.
System status and operating conditions are displayed directly on the unit via onboard LEDs, with a solid green DRIVE READY indicator confirming normal operating status and a red DRIVE ERROR / TRIP indicator signalling active faults. The drive logs detailed diagnostic fault codes accessible through the XT keypad display or GDC software, identifying specific trip conditions such as overcurrent (OC1, OC5), DC bus overvoltage or undervoltage (OU, LU), heatsink overtemperature (OH), motor phase failure (LP1), or parameter set mismatch (P13). First-line troubleshooting involves checking mains supply lines, verifying motor wiring integrity, inspecting cooling airflow, and checking terminal connection torque. When internal memory corruption (EE0) or internal hardware failure (H05) occurs, component-level repairs or acquiring a tested exchange unit from ABC Industrial Parts provides a fast, reliable path back to full production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | E82EV752-4C240 |
| Model / Type | Inverter Vector 8200 7.5kW |
| Component Type | Frequency Inverter |
| Rated Power | 7.5 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Rated Output Current | 16.5 A |
| Maximum Output Current | 24.8 A |
| Maximum Output Voltage | 480 V AC |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 8 kHz |
| Control Modes | V/f linear, V/f quadratic, open-loop vector control, closed-loop vector control |
| Protection Rating | IP20 |
Programming and Configuration
The Lenze E82EV752-4C240 frequency inverter offers dynamic motor control capabilities supporting linear V/f, quadratic V/f, open-loop vector, and closed-loop vector control modes (when equipped with feedback options). Drive parameterization and operational adjustment are conducted through the Lenze Global Drive Control (GDC) PC software suite or directly via the pluggable XT Operating Module keypad (E82ZBC). Parameters govern motor profile settings, switching frequency (preset to 8 kHz), and acceleration or deceleration ramp settings.
To accommodate multi-product manufacturing lines and flexible process routines, the unit houses four switchable internal parameter sets. Switching between parameter sets allows fast reconfiguration without reloading complete drive files. In scenarios where parameter corruption occurs or an invalid configuration is uploaded (resulting in fault code P13), a factory reset can be executed via parameter C0002 to restore default factory values.
Communication and System Integration
A key distinction of the E82EV752-4C240 variant is its integrated, onboard CAN-based system bus interface. Built directly into the drive mainboard, this CAN interface allows high-speed communication and peer-to-peer inter-drive synchronization across automation networks without requiring an external communications card.
For integration into broader industrial fieldbus networks, the inverter features a modular function slot designed to accept interchangeable option modules. Available fieldbus options include the PROFIBUS-DP module (E82ZAFPC), CANopen module (E82ZAFCC), DeviceNet, INTERBUS, and serial RS232/RS485 modules. Standard discrete and analog I/O requirements can also be serviced using the Standard I/O Function Module (E82ZAFSC).
Diagnostics and Status Indication
Real-time diagnostic observation for the E82EV752-4C240 is facilitated through status LEDs mounted on the drive front panel, interactive fault registers viewed via the XT Keypad (E82ZBC), and live telemetry monitoring using Global Drive Control (GDC) PC software. Visual indicators quickly distinguish between normal operation and trip conditions.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE READY | Green - Solid / Active | Inverter is operational and ready for run command |
| DRIVE ERROR / TRIP | Red - Solid / Flashing | Fault condition or trip detected on the inverter |
Replacement and Spare Part Considerations
The Lenze 8200 Vector series has been officially discontinued by the manufacturer, making direct identical part replacement critical for maintaining legacy installations without redesigning control panels. When sourcing a spare unit, it is necessary to verify the -4C240 suffix to ensure the onboard CAN bus interface is present.
When swapping units in the field, option modules such as standard I/O cards (E82ZAFSC) or communication modules (E82ZAFPC, E82ZAFCC) can be unclipped from the failed drive and transferred directly to the replacement unit. Parameter sets must then be transferred using GDC software or an XT Keypad to mirror original acceleration profiles, V/f curves, and current limits.
For long-term modernization strategies where panel rebuilds are planned, Lenze designates the i550 Cabinet Series (specifically model i55AE375F1001000S) as a modern migration successor for 7.5 kW applications.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| OC1 | Short Circuit / Overcurrent | Short circuit or ground fault at the inverter output power stage. | Short circuit in motor cable or motor windings; earth fault; acceleration time set too short. | Check motor and wiring for short circuits or ground faults; check motor parameter configuration; extend acceleration ramp time. |
| OC5 | Overcurrent During Acceleration | Output current exceeded internal threshold during motor acceleration phase. | Acceleration time too short; motor mechanically blocked; V/f characteristic voltage boost set too high. | Increase acceleration time (C0012); check motor load and mechanical brake release; lower V/f boost setting. |
| OU | DC Bus Overvoltage | DC bus voltage exceeded upper limit threshold (approx. 770 V DC for 400V units). | Excessive regenerative energy returned from motor during braking; deceleration ramp time set too short; mains input voltage too high. | Extend deceleration time (C0013); connect external braking module/resistor; verify mains supply AC voltage level. |
| LU | DC Bus Undervoltage | DC bus voltage dropped below minimum operational threshold (approx. 400 V DC for 400V units). | Mains supply failure; supply line voltage dip; supply phase loss; internal pre-charge circuit fault. | Check mains voltage supply and input fuses; check supply line connection under load. If mains supply is normal, internal hardware fault — replace or repair unit. |
| OH | Heatsink Overtemperature | Inverter power stage heatsink temperature exceeds maximum allowed operating limit. | Insufficient cooling airflow; fan blocked or defective; ambient temperature too high; continuous overload. | Clean heatsink cooling fins; verify enclosure cabinet ventilation; check internal cooling fan operation; reduce switching frequency or load. |
| OH4 | Motor Overtemperature (PTC) | Motor thermistor/PTC sensor connected to control terminal detected motor overheating. | Motor thermal overload; mechanical overload on motor shaft; missing or disconnected PTC sensor wiring. | Allow motor to cool down; check motor loading; check PTC sensor connections and terminal wiring. |
| OH7 | Drive Interior Overtemperature | Internal temperature sensor inside the inverter housing recorded excessive ambient temperature. | Control cabinet cooling inadequate; internal fan failure. | Check control cabinet air circulation; lower enclosure ambient temperature. |
| CE0 | Communication Error - Function Module | Communication interruption between the inverter main board and installed plug-in function module. | Loose or poorly seated function module; defective function module hardware. | Power off drive, remove and re-seat the function module firmly. Replace function module if error persists. |
| EE0 | EEPROM Memory Error | Internal parameter memory read/write corruption detected during boot or operation. | Power failure during parameter save operation; corrupted parameter memory cell; internal memory hardware failure. | Perform factory parameter reset (load default values via C0002). Internal board-level hardware fault — return unit for repair or replace if reset fails. |
| LP1 | Motor Phase Failure | Phase loss detected on the motor output phase lines U, V, or W. | Motor output cable disconnected or severed; contactor on motor output opened while drive operating; motor winding damaged. | Inspect output cable, terminal connections, and motor windings for open circuits. |
| P13 | Parameter Set Error | Invalid configuration or corrupted parameter set selected. | Parameter file uploaded from incompatible firmware or drive variant. | Reload valid parameter set using GDC or load factory defaults. |
| H05 | Internal Hardware Fault | Internal control board or power section self-diagnostic error. | Internal component failure, power supply board fault, or damaged control board. | Internal hardware failure — return unit for factory repair or replace inverter. |
Frequently Asked Questions
What tools are needed to transfer parameters to a replacement Lenze E82EV752-4C240 drive?
Parameter transfers can be performed using Lenze Global Drive Control (GDC) PC software via a PC connection cable or directly using the optional XT Operating Module keypad (E82ZBC).
What is the key feature of the -4C240 variant compared to standard 8200 Vector drives?
The -4C240 variant features an integrated CAN-based system bus interface built directly into the inverter main board, enabling networking without an optional communication card.
What does error code OU indicate on the E82EV752-4C240 drive?
Error code OU indicates DC bus overvoltage, caused when regenerative energy from braking motor loads exceeds the internal voltage limit. Extending deceleration ramp time (C0013) or adding a braking resistor resolves this fault.
How do status LEDs indicate drive operational status?
A solid green DRIVE READY LED confirms the inverter is operational and ready to accept run commands, while a solid or flashing red DRIVE ERROR / TRIP LED indicates an active fault condition.
What is the recommended successor for modernizing the discontinued 8200 Vector 7.5 kW drive?
Lenze recommends the i550 Cabinet Series, with part number i55AE375F1001000S, as the migration successor for 7.5 kW drive applications.
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Specific firmware and hardware versions
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